Abstract
This study presents experimental and analytical results of squeal vibration in the disk-pad-caliper system, which is modeled after an actual disk brake. The system consists of a disk clamped along an inner edge and a pad supported by a plate spring (caliper). The frequency of squeal becomes higher as the thickness of the plate spring becomes large, and as the thrust load grows large. The squeal vibration of the disk near the contact area between the disk and the pad has translational motion, and the squeal vibration of this pad-caliper has translational and rotational motion. The disk and the pad-caliper vibrate with the same amplitude and the same phase at a point in the contact area. Therefore we analyzed the disk-pad-caliper system as a pin-disk model, which combined the disk with the pad-caliper by the point.
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